A0.20 kg ball is dropped at a speed of 16 m/s from a 22 m cliff. What is its potential energy at the instant it was launched (assume U(0-0)? 331 43) 26 J 691
Q: force of 190 Nt is used to lift an 18 kg mass from the ground to a height of 22 m. Assume no…
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Q: 1. A car starts at rest, and ends up with 1500 J of KE. How much Work was done on it?
A: As per our guidelines, we are supposed to answer only first one question in case of multiple…
Q: How much energy is needed to change the speed of a 1200 kg of a car from 15.0 m/s to 30.0 m/s?
A: Work energy theorem We know from the conservation of energy law that energy can neither be created…
Q: 6. A 0.150 kg baseball is moving 20.0 m/s. A bat hits it, doing 15.0 J of Work on it. What is the…
A: work energy theorem Wnet=change in kinetic energyWnet=∆KEWnet=KEfinal-KEinitialWnet=…
Q: A cheetah can accelerate from rest to 6.4 m/s (about 11 m/h) in 1.0 seconds. How much average power…
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Q: 4. A runner has 250 J of KE. A short time later, he has 150 J of KE. How much Work was done on him?
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Q: In a railroad classification yard, a 69-Mg freight car moving at 1.2 m /s at A encounters a retarder…
A: Given : m=69000 kg xA=3.9 m xC=0 m
Q: An object having a mass of 0.79 kg falls from a height of 5272 m to 447.7 m. Calculate the work done…
A: Given : mass of the object, m = 0.79 kg Initial height , h1 = 5272 m Final height, h2…
Q: "25 kg bear slides, from rest, 8 m down a Lodgepole Pine tree, moving with a speed of 5.6 m/s just…
A: potential energy=mgh
Q: 4. How work done is related to gravitational potential and kinetic energies? Also discuss the total…
A: 4. How work done is related to gravitational potential and kinetic energies? Let us consider we are…
Q: A 190-N crate slides with constant speed a distance of 10 m downward along a rough slope that makes…
A: SOlution: Given that W =80 N d = 10 m angle = 30 degree
Q: . A 6N force acts on a 5kg mass over a distance of 3m. What is the work done on the object? If the…
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Q: S. A 10kg object is raised to a height of 20m. What is the magnitude of its potential energy?…
A: Given data, Height = h Mass = m Acceleration due to gravity = g…
Q: A motorcycle at rest has 550 J of Work done on it. What is its final KE?
A: Given data: Initial velocity (v0) = 0 m/s Work done (W) = 550 J Required: Final kinetic Energy
Q: A 190 g object is dropped from a height of 7 meters. Calculate the potential and kinetic energy of…
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Q: SITUATION 7: A factory worker pushes a 30-kg crate a distance of 4.5m along a level floor at…
A: Given data: Mass of crate (m) = 30 kg Distance (d) = 4.5 m Velocity is constant. Coefficient of…
Q: A0.118-kg ball is thrown upward with an initial speed of 27 m/s , Calculate the gravitational…
A: mass of ball (m) = 0.118 kg Initial upvards velocity (v) = 27 ms
Q: Work required to stop electron
A: Given:Mass of the electron, m=9.11×10−31kgSpeed of the electron, v=2.10×106m/sThe kinetic energy KE…
Q: Find the work done in joules by gravity as an object of the mass m=5 kg is raised up at constant…
A: Given : m = 5 kg h1 = 23 m h2 = 69 m g = 10 m/s2
Q: 8. A block is moving with 52.0 J of KE. A 12.0N force pulls the block straight forward for 3.00 m.…
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Q: A cheetah can accelerate from rest to 6.4 m/s (about 16 m/h) in 1.2 seconds. How much average power…
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Q: Problem A moving electron has a Kinetic Energy K1. After a net amount of work is done on it, the…
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Q: A 500 kg roller coaster car traveling on a frictionless surface reaches the top of a 10m hill while…
A: The roller coaster is moving at a speed of 8 m/s at the hill which is 10 m high. So at this point,…
Q: 32. A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a…
A: Given that-Mass of the mouse is 200 gInitial speed is 0 m/sFinal speed of ball is 8.0 m/sThe height…
Q: A 10-kg body falls from rest, with negligible interaction with its surroundings. Solve for its…
A: Given: Mass,m=10kgInitial Velocity,u=0m/sHeight,h=3mAcceleration due to gravity,g=9.8m/s2 An…
Q: V=10.om/s 12. A 2000-kg car has a velocity of 12.0 m/s. The car then hits a tree. The tree doesn't…
A: 12)Given, Mass of car(m)= 2000kg Initial velocity of car (u)= 12 m/s Final velocity of car (v)= 0m/s…
Q: QUESTION 12 A 2kg object was dropped from a height of 2 m. Its potential energy at 0.5 m from the…
A: U=mgh
Q: One of the forces exerted on a particle is F = Bx'i, where B = 6 N/m². How much work does F do (in…
A: Given: The force exerted on the particle is F=βx2i, where β=6 N/m2. The movement of particle is…
Q: 5. The diagram below shows points A, B, and C at or near Earth's surface. As a mass is moved from A…
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Q: A block is moving with 52.0 J of KE. A 12.0 N force pulls the block straight back, against the…
A: Given data: Initial Kinetic Energy (KEi) = 52.0 J Force (F) = 12.0 N, straight backward Displacement…
Q: In the figure shown, if the mass (m36 Kg) is moving with constant speed and traveled a distance d314…
A: mass (m)= 6 kg distance covered (d) = 14 m speed = constant F = 15 N θ = 53o
Q: How much power is needed to lift a 750 kg elephant 14.3 m in 30.0 seconds?
A: Given data: Mass (m) = 750 kg Height (h) = 14.3 m Time (t) = 30.0 s Required: Power (P)
Q: A block is at rest. A 40.0 N force directed 38.0° above horizontal pulls the block 8.00 m across…
A: Given data: Initial velocity (v0) = 0 m/s Force (F) = 40.0 N Angle (θ) = 38.0° Displacement (d) =…
Q: A car accelerates from zero to a velocity v. Another car of indentical mass accelerates from zero to…
A: Given value--- A car accelerates from zero to a velocity v. Another car of indentical mass…
Q: What is its corresponding force?
A: Answer and explanation is in next step.
Q: You give a 5.0 kg box a quick shove up a ramp. It reaches a vertical height of 3.0 m before…
A: m = 5 kg h = 3 m vf = 0 m/s (Eth)f = 100 J g = 10 m/s2
Q: rocket is launched straight up from the ground. the initial kinetic energy of the rocket was…
A: During the launching of rocket, height is zero(PE=mgh=0) hence whole of the energy of the rocket…
Q: Use the following equations to solve. - A atom is subject to a force in N F(x)= -3x^3+4/x^2 How much…
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Q: A cheetah can accelerate from rest to 7.4 m/s (about 17 m/h) in 1.1 seconds. How much average power…
A: The correct choice of answer is option (a) i.e. 1300 W
Q: 3. A rock weighs 700 g and has a potential energy of 1 500 J. What height is it found at?
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Q: About 50,000 years ago, a meteor crashed into the earth near present-day Flagstaff, Arizona.…
A: Consider the mass of meteor is about 1.4×108 kg which hits at a speed of 12×103 m/s.
Q: In the figure shown, if the mass (m-6 Kg) is moving with constant speed and traveled a distance…
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Q: alls from a 2.3 m shelf 41. A 0.50 onto the floor, then bounces up to a height of 1.4 m before you…
A:
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